The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 1985
Filed:
Feb. 17, 1981
Applicant:
Inventors:
S Merrill Skeist, Brookville Glen Head, NY (US);
Leo Gross, Bayside, NY (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ; H01J / ; H01K / ;
U.S. Cl.
CPC ...
315 57 ; 313161 ; 313493 ; 315 70 ;
Abstract
An arc discharge device such as a fluorescent lamp without partitions, such as a double walled hemisphere or portion thereof, a double walled conical section, a double walled cylinder, which are more intensely and fully illuminated by magnetic arc spreading techniques. The magnetic field is concentrated in the region just beyond the source of the arc to maximize the spreading effect.